Dri-Eaz HEPA 500 2nd Stage Replacement Pre-Filter (F271) - 12 PACK
Dri-Eaz HEPA 500 2nd Stage Replacement Pre-Filter (F271) - 12 PACK is backordered and will ship as soon as it is back in stock.
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                          Description
                          
                        
                      
                      Description
This replacement filter is the 2nd stage pre-filter (113364, formerly F271) for the Dri-Eaz DefendAir HEPA 500 Air Scrubber. Remember, regular filter replacement ensures maximum efficiency and helps to prevent cross contamination. These sturdy high dust capacity filters effectively capture airborne particles and won't blow out under heavy use. Comes in a pack of 12.
Dri-Eaz DefendAir HEPA 500 Filter Configurations
| Your Filtration Needs | 1st Stage Filtration (Pre-Filter position) | 2nd Stage Filtration (Pre-Filter position) | Final Stage Filtration (Primary HEPA Filter) | 
| Clean Water Loss Air Scrubbing | 1st stage pre-filter not necessary | Install 2nd stage pre-filter (113364 / F271) | Install HEPA 500 filter cartridge (111192 / F321) | 
| Standard Air Scrubbing | Install 1st stage pre-filter (115471 / F270) | Install 2nd stage pre-filter (113364 / F271) | Install HEPA 500 filter cartridge (111192 / F321) | 
| "First Pass" Efficiency Air Scrubbing | Install 2nd stage pre-filter (113364 / F271) | Install DOP 2nd stage pre-filter (103724 / F415) | Install HEPA 500 filter cartridge (111192 / F321) | 
| Air Scrubbing and Odor Control | Install activated carbon filter (100053 / F397) | Install 2nd stage pre-filter (113364 / F271) | Install HEPA 500 filter cartridge (111192 / F321) | 
            
      
      